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  1. Texasmark

    97, 75hp,3 cylinder Merc - Questions about the shift slide and remote control

    I have the service manual for those engines from '94 through 2005ish and have and had a 90 and 115. I do not recognize your picture and there is nothing in there that looks like that. My engine shift mechanism is a sliding (fore-aft) linkage arm, with a vertical pin (screw) with locking nut...
  2. Texasmark

    Merc 9.9 High Revs Going Into Reverse

    You are way too high in idle RPMs. Should be a (normally) knurled spring loaded adjustment on the throttle linkage arm in the engine. You need the PRMs fast enough to keep the engine from dying when in F gear and the boat moving, yet rotation be slow enough allowing time for the gears to mesh...
  3. Texasmark

    Aluminum small hull design

    I don't meet your background criteria but I had 2 Alumacraft boats under 16'. I think high tensile aluminum, like 5052 T6 as an example is inherently rigid. Next their cast chines, keel, and connecting bow and transom caps, when coupled to the transverse ribs and rounded chines (providing...
  4. Texasmark

    1977 Starcraft V5 22SS

    I had a '65 18' Holiday badly mistreated and lived half sunk for who knows how long. Once I got it home I realized I paid way too much for it even though that wasn't all that much. Restoration main components were the transom and deck...the one you walk on on the hull proper. The hull was in...
  5. Texasmark

    What's too old to consider?

    I heard that they bought 20 of these boats from Glastron in Austin, Tx. (was stationed there when they were in production....the co., not necessarily that boat) to shoot the Bond film. Didn't get up on how many it took to do the job. If you just want to sport around, maybe with a cuddle bug...
  6. Texasmark

    Prop selection follow up.

    Thank you sir for the feedback. Helps folks trying to SWAG answers for folks in need. Your comment: "It's a ventilated prop, and one thing I noticed was that if I have the vents open I have to open up the throttle just a bit more slowly because the engine will bog a bit otherwise. Close the...
  7. Texasmark

    Mercury 9.9 propshaft removal from bearing carrier

    I haven't had a 9.9 for a lot of years and it was a McCullough. I had a new 7.5 Merc in mid '70s time line. The prop shaft was straight. Yours seems to be twisted and looking at the other damages you apparently hit something solid at WOT. Seems to me that if your prop shaft weren't twisted...
  8. Texasmark

    New boat advice

    Funny, I had initially thought about a Whaler for a reply. Didn't remember that they had rails in the aft section also with a gap midship for boarding. Yes on your CC......but the reason I didn't suggest it was that my preference is bow mounted seat and trolling motor. Rails get in the way...
  9. Texasmark

    90hp 2 Stroke Temp sensor Kit

    If it were mine and I saw what is in the picture, I'd remove the plug at the right end of the brass right angle and get your water pressure there. Thread sealant sometimes is applied to OEM manufacturing parts to speed up assembly. Teflon tape would work fine on your installation. Seems that...
  10. Texasmark

    New boat advice

    I am 79 and had an injury to my right shoulder years ago. Got back into fishing last year and being a bass fisherman, I preferred pistol grip stocks and short butts on my rods...butt got in the way on long but casting rods as I liked to have the rod directly in front of me, straight out. As...
  11. Texasmark

    91 mercury 115 flooded then no spark

    Well we're on different sheets of music. Will yield to the power.
  12. Texasmark

    91 mercury 115 flooded then no spark

    My mistake; Brain Pfart....since a lot of today's engines are "fuel injected" and my diesel tractors are "direct injected" meaning the injector squirts into a cupped piston top rather than in a side cavity the ignites and that ignition migrates to the main cylinder....term for that is "swirl...
  13. Texasmark

    91 mercury 115 flooded then no spark

    My information is derived from the theory or operations in the service manual. It does illustrate the 3 cyl and states the the 4 cyl models have one more CDM....didn't mention another coil but triples fire every 120* and Quads every 90* so there has to be another pickup for the extra cylinder...
  14. Texasmark

    91 mercury 115 flooded then no spark

    On the DVA working on a 6 rather than a 4, the pulses are closer together on a 6 by 33% meaning that it would be 33% easier for the DVA to measure the 6 than the 4. On peak voltage whatever it is, regardless of number of cylinders the DVA will charge up to it and hold till you disconnect the...
  15. Texasmark

    06 Caravelle 230 Seahawk WA 3 blade or 4 blade

    If you read Solas published literature on their 3 and 4 blade props, they tell you point blank that the 3 is made for bow lift needed in fast running, light hulls, and the 4 is made for lifting the transom when midrange operation is preferred. Yes the geometry of the two series of props are...
  16. Texasmark

    Planing houseboat choices

    I think it was the San Diego area but I was surfing Craigs list boats for sale by owner. 30+' toon, don't know if a tritoon or not pics were side views, had 2 ea new hot dog 300 hp Mercs on it and it was hooked up going by as the photo was snapped. Looked like a bass boat on the pad! I was...
  17. Texasmark

    91 mercury 115 flooded then no spark

    Triggers are microseconds (0.000001 second) wide, 100's of volt pulses occurring in hundreds of millisecond (0.10 second) intervals. The signal pops up and disappears for a disproportionate period of time. The DVA is a "sample and hold circuit" composed mainly of 3 components: A diode in...
  18. Texasmark

    does this look like it had power tilt and trim?

    Nice work on the repainting. Thanks for the sharing the finished product.
  19. Texasmark

    does this look like it had power tilt and trim?

  20. Texasmark

    Bass Boat Basics

    My Crestliner is mid way and works great....not too far aft causing excessive bow height for slow speeds, and not too far forward causing too much weight for faster, bow lifting requirements.
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